Vari Lite VL6 Series, Service Manual

Page: 70 / 234

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Note: This symptom is usually noticeable during a slow pan.
If luminaire pan motion is jerky or dragging:
Step 1. At luminaire, remove board-side yoke leg cover.
Step 2. Check pulley belt for proper tension. Refer to “Pan/Tilt Belt
Tension Adjustment” on page 124 .
Step 3. At pan driven pulley, check for loose or broken pulley. Tighten or
replace as needed. Refer to “Pan Driven Pulley Replacement” on
page 107 .
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If color wheel is not operating properly:
Step 1. Remove color bulkhead. Refer to “Color Bulkhead Replace-
ment” on page 83 .
Step 2. Remove color filter wheel. Refer to “Gobo/Filter Wheel
Replacement” on page 84 .
Step 3. At motor stabilizer, check for installation ( Figure 3-1 ). Check for
broken stabilizer, missing or broken spring, or missing flat
washer. Replace components as needed.
Figure 3-1: Motor Stabilizer Installation
Step 4. Re-assemble luminaire and retest.
Step 5. If symptom still persists, remove color bulkhead.
Stabilizer
Countersunk Hole
Spring
Flat Washer
Motor Shaft